5.3.3 Hyperbolic functions and their inverses Hyperbolic Functions, David Bender, 6:3, 1975, 42-45, C Using Inverse Functions in Integration, Robert C. Crawford, 8:2, 1977, 107-109, C, 5.3.2 Euclid's 'Elements' -excerpts from a 1660 edition, 12:2, 1981, 117, 0.3, 5.3.2 Evaluating the integrals of sec x dx and (sec x) ^3 dx, Bruce Sommer and Norman Schaumberger, 14:3, 1983, 256-257, C, 5.2.5 Inverse Hyperbolic Functions as Areas, B.M.Saler, 16:2, 1985, 129-131, C Some Interesting Consequences of a Hyperbolic Inequality, Frank Burk, 17:1, 1986, 75-76, C Elementary Transcendental Functions, Harley Flanders and J. Sutherland Frame, 18:5, 1987, 417-421, 6.3 The Relationship Between Hyperbolic and Exponential Functions, Roger B. Nelsen, 19:1, 1988, 54-56, C, 5.3.2 FFF #17. cosh x = sinh x and 1 = 0, Ed Barbeau, 21:2, 1990, 128, F, 5.2.5 The Relationship Between Hyperbolic and Exponential FunctionsRevisited, Roger B. Nelsen, 23:3, 1992, 207-208, C, 5.3.2 Hyperbolic Functions and Proper Time in Relativity, Howard Shaw, 26:4, 1995, 312-315, C An Exercise (Hyperbolic Identity), The Editor, 30:1, 1999, 43, C Reexamining the Catenary, Paul Cella, 30:5, 1999, 391-393, C